- Jajpur District

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BIJU GRAM JYOTI YOJANA
DISTRICT OFFICE,
COLLECTOR & DISTRICT MAGISTRATE,
JAJPUR
Phone No.06728-222330
E-Mail: dmjaj@ori.nic.in
Fax. 06728-222087
TENDER NOTICE NO. 140 DT.16.01.2010
Electrification of Villages/Hamlets
 Up-gradation of the existing Distribution Transformer
of appropriate capacity in electrified habitations/ villages
 Re-conductoring of 11KV Conductor
 Provision of LT less transformer in village / habitations.
 Provision of DT metering for energy audit.
 Provision of XLPE AB cables for L.T lines
 Construction of new 11KV & 33KV line
 Provision of Service Connection to BPL households.
 Provision for Energisation of Pump Set.
1
DISTRICT OFFICE, JAJPUR.
COLLECTOR & DISTRICT MAGISTRATE: JAJPUR
TENDER CALL NOTICE NO. 140 DATED. 16.01.2010
1.
Sealed tenders are invited from Registered/Licensed electrical contractors having valid HT electrical contract licence issued
by ELBO for electrification of villages/habitations under Biju Gram Jyoti Yojana in Jajpur District on Turnkey basis during
the year 2009-10.
EMD
Estimated Cost
(In Rs.)
Cost of tender
of works per
Period of
Name of the work
(1% of
documents
Block
completion
estimated
(In Rs.)
(In Rs.)
cost)
Electrification of villages/habitations with following works:
 Up
gradation
of
existing
Distribution
Transformer/Additional S/S of appropriate capacity
where necessary in villages/habitations.
 Re-conductoring of 11 KV conductors where
necessary.
6 (Six)
5,000/- Plus
50.00 Lakhs
 Provision of LT less transformer in each
50,000/Calendar
(Approximately)
4% VAT
village/habitation.
Months
 Provision of DT metering for energy audit.
 Provision of XLPE AB cables for LT lines.
 Construction of new 11 KV lines where necessary.
 Provision of service Connection to BPL households.
 Energisation of Pump Sets
2. This district covers 10 (ten) blocks. Around 10-20 No. of villages/habitations will be electrified in each block. The number
of villages/habitations to be electrified may be increased or decreased.
3. Bid documents consisting of specification of works, schedule of quantities and set of terms and conditions of contract and
other necessary documents can be had from the office of the DRDA, Jajpur in person on application and payment of cost of
tender documents in Demand Draft/Banker’s Cheque drawn on State Bank of India in favour of the Collector & District
Magistrate, Jajpur payable at Jajpur. The tender documents may be downloaded from the official website
www.jajpur.nic.in/tender.htm. If it is downloaded from the website, the cost of tender document of Rs. 5,200/- (Rupees Five
thousand two hundred) should be attached in the tender document payable to Collector & District Magistrate, Jajpur. The
cost of tender document is not refundable.
4. Bids must be accompanied by EMD as specified above in shape of BD/BC drawn in SBI payable at SBI, Jajpur in favour of
Collector, Jajpur. The EMD can be furnished in shape of bank guarantee. In the absence of proper EMD, the Bid will be
rejected. The sale of bid document shall start from 16.01.2010 during office hours up to 30.01.2010 (12 noon) and the
completed bid document shall be received up to 30.01.2010 till 3 P.M. in the office of the DRDA, Jajpur through
Registered Post / Speed Post only. The envelope containing tender papers should be superscribed with “Tender for Biju
Gram Jyoti Yojana.” The authority will not be held responsible for any postal delay for non-receipt of bid documents in
time. Request for purchase of tender documents through post shall not be entertained.
5. The technical & price bids will be opened on 01.02.2010 at 11 A.M. in the office of the DRDA, Jajpur in the presence of the
bidders only. If the office happens to be closed on the last date of the receipt or opening of the bids as specified, the bids
will be received/opened in the next working day at the same time & venue.
6. The tenderers are required to submit EMD, tender purchase receipt, attested copies of VAT Registration Certificate, PAN
Card, VAT Clearance Certificate for the year 2008-09 and electrical contractor licence. The tender would be under
obligation to produce EPF and Labor Licence before the undersigned as and when required. The bidders registered in other
State Govt. are required to produce non-assessment certificate obtained from the Commercial Tax Authority of Govt. of
Odisha at the time of submission of tender.
7. The bidders are required to quote the rate both in words and figures which is negotiable by competent Authority during
finalization of tender. They are to sign on any over writing or any correction made in the bid rate.
8. The authority reserves the right to reject any or all the bids without assigning any reason thereof.
Sd/Collector & District Magistrate,
Jajpur.
2
SECTION - I
QUALIFICATION REQUIREMENT
3
QUALIFICATION REQUIREMENTS
01.00
a) The Bidder must have valid HT Electrical Contractor licence issued by ELBO.
b) Bidder must have executed similar type of work previously.
c) Bidder must declare its sub-contractors name, if any, who will execute the work. The contractor
must be having labour license for at least 20 labour.
02.00
03.00
The Bidder should furnish the information on all past works and satisfactory performance.
All bids submitted shall also include the following information.
i)
Copies of original documents defining the constitution or legal status, place of registration and
principal place of business of the Company or Firm or Partnership etc.
ii) The Bidder should furnish a brief write up, backed with adequate data, explaining his available
capacity and experience (both technical and commercial) for the manufacture and supply of the
required materials within the specified time of completion after meeting all his current
commitment.
iii) The Bidder should clearly confirm that all the facilities exist in the factory from the where
materials to be procured for inspection and testing and these will be made available to the
Purchaser or his representative for inspection before any material depatch to work site.
04.00
The Bidder shall furnish Type Test Reports for materials required at site. The Bids received without
type test reports may be treated as Non-responsive.
05.00
Even though the Bidder meets the above qualifying criteria, he is subject to be disqualified if he has (I)
made misleading or false representation in the Statements and attachments submitted in proof of
qualification requirements and / or (II) record of poor performance such as not properly completing the
contract, inordinate delays in supply completion, litigation history or financial failure etc.
06.00
Not withstanding anything stated above, the purchaser reserves the right to access bidder’s capability
and capacity to perform the contract.
07.00
Bidder participating, if not have facility to manufacture materials required for the work, must submit
their vendors list from where they will procure the material with their credential and annual turn over.
While choosing vendors the bidder must ensure that vendor must have supplied the equivalent quantity
of material in any one year during last three years.
4
SECTION - II
GENERAL CONDITIONS OF
CONTRACT & TECHNICAL FIELD
REQUIREMENTS
5
GENERAL CONDITION OF CONTRACT & TECHNICAL FIELD REQUIREMENT
01.00
SCOPE OF WORKS
The scope of works include execution on Turnkey Basis with complete system design,
procurement/manufacture, manufacturer’s quality assurance, shop testing (including type testing
where specified/required), transportation, storage, erection, including all civil/structural works, site
testing, commissioning of all items & materials as elaborated below including all associated
activities that though not exclusively specified here in but are required for the completion of the
entire works under this package.
01.01
This specification intends to cover but not restrict to the following activities, services and works.
i) Complete design and engineering of all the systems, sub-systems, equipment, material and
services.
ii) Providing engineering data, drawings and O&M manuals for Owner’s review, approval
and records.
iii) Manufacturing, supply, testing, packing, transportation and insurance from the
manufacturer’s work to the site.
iv) Receipt, storage, insurance, preservation and conservation of equipment at the site.
v) All civil and structural works as required.
vi) Fabrication, pre-assembly (if any), erection, testing and putting into satisfactory operation
of all the equipment/material including successful commissioning.
vii) In addition to the requirements indicated in this section (Technical Specifications), all the
requirements as stated in other sections shall also be considered as a part of this
specification as if completely bound herewith.
viii)
The Bidder shall be responsible for providing all material, equipment and services
specified or otherwise which are required to ensure operability, maintainability and the
reliability of the complete work covered under this specification.
ix) All services & activities required to be given contractually, by the bidder, during warranty
period.
01.02
The package envisages following works at different locations in Jajpur district in the state of Orissa
i)
Survey, Pole Spotting for all HT & LT Lines and Finalisation of DT Location.
ii) Construction of 11KV & LT Lines
iii) Construction of new 33KV linking line
iv) Reconductoring of 11KV Lines
v) Construction of Distribution Transformer Centers (DTC) with DT meter
vii) Service Connections to all BPL (Below Poverty Line) Consumers including inside Home
wiring
2.00
DETAILED SCOPE
02.01
Survey
The scope covers detailed route survey for all existing and proposed 11KV & LT lines, location of
tap-off on existing feeders, pole spotting, optimization of pole location, crossing of roads, rail track,
rivers, distribution transformer station location etc. The survey shall, as a minimum, identify/cover
the following:
6
02.02
Block wise maps shall be prepared on the background of Survey of India (SOI) map of 1:25000
scales indicating the following.
i. Village boundaries and their respective census codes
ii. Existing and proposed 33/11KV substations & 33 kV Lines.
iii. Existing and proposed 33KV lines and Distribution transformer Stations.
02.03
Village level map shall be created from the map with a scale of 1:5000 or better indicating the
following
i) Village geographical features and landmarks with clear depiction and label
ii) All the habitations that exist in the village
iii) Existing & proposed HT & LT lines, DTs
iv) List of individual consumer fed from each pole
v) Estimated loading.
vi) All distance and locations of electrical system from key reference points.
03.00
Village / Hamlet Electrification
03.01
The list of villages / Habitation where the population is less than 100 Nos. and which are to be
electrified under the scheme alongwith their census code, electrical scope of work are indicated
below as Annexure. However the bidders shall verify the scope at site during field survey.
04.00
Construction of Line & Sub-station
04.01
Besides electrification of village / hamlets, for better Distributions Net Work Infrastructure Stability
and improvement of voltage and to avoid over loading of Power Transformer the following works
are to be taking up under the Scheme.
a) Construction of 33KV linking line to divert load from one primary sub-station to another.
b) Construction of 11KV linking line to divert load from Jajpur RCMS Primary Sub-station
to Jarpada Primary Sub-station.
04.02
New 11KV line for village/habitation electrification:
Construction of 11KV spur line from the existing or to be constructed lines for electrification of
villages/habitations with a span length of 68 meters.
These lines shall emanate from existing lines and shall have provision of AB Switches of 400Amp.
rating at T-off points only where the spur line length exceeds 2 Km.
04.03
Reconductoring of 11KV lines
Reconductoring of 11KV lines with 50mm2 AAA Conductor with all allied materials will be taken
up where the conductor has been stolen in the existing route.
Reconductoring of 11KV line with 50mm2 AAA Conductor will also be taken up where the existing
line has GI wire or under size conductor. The dismantled conductor to be returned to NESCO wit
proper acknowledgement.
All damaged insulators, corssarm and other line materials to be replaced.
Aligning / re-erection of tiled / bend poles where found in the route of line alongwith strengthening
of its foundation is in the scope of the bidder.
While reconductoring disconnection / connection of the existing DT shall be in the scope of the
bidder
7
However, bidders is to assess the actual scope of re-conductoring of the 11KV lines while carrying
out the route survey.
05.00
05.01
Construction of Distribution Transformer Centers
Construction of Distribution Transformer Centresi (DTC) using the type of transformers &
configurations as given in the table below.
Sl No.
Type of DT
Voltage
Rating(KVA)
Arrangement
No. of earthing
ratio (KV)
1
1 Phase
11/0.250
10
9Mtr. 300Kg. single 3 Nos.
pole structure with
2pole AB switch &
DO fuse
2
1 Phase
11/0.250
16
9Mtr. 300Kg. single 3 Nos.
pole structure with
2pole AB switch &
DO fuse
3
3 Phase
11/0.433
25
9Mtr. PSC Double
5 Nos.
pole structure
with AB switch
& HG fuse
The scope includes supply, installation, testing and commissioning the following
i)
ii)
iii)
3 Phase 25KVA Distribution Transformers & 1-Phase 10KVA and 16KVA DT shall be
fitted with LA 11KV line.
All structures, cables, earthing and all other items, not specifically mentioned but
necessary for safe operation of the distribution transformer is included in scope. The cable
from DT to DB and from DB to Overhead lines shall be run properly, duly clamped with
poles for protection of cable.
LT Distribution Box with MCCB & Energy Meter on LT side of DT. The Distribution box
shall have proper locking arrangement.
05.02
The contractor shall survey the area, fix the location of DT keeping in view that DT is as close as
practically possible to the load centre of the area to be fed.
05.03
Contractor shall obtain the approval for final DT location from engineer in the field.
05.04
The no. of LT feeders/ service connections to be connected to a particular DT shall be decided
during detailed engineering.
05.05
For three phase DTs, Gang operated AB switches shall be mounted between 11 KV line dropper &
HG fuse.
05.06
In case of up-gradation of sub-station capacity one additional DT of appropriate capacity will be
installed on pole / plinth depending on the existing DT. If the existing DT is a pole mounted one the
additional DT will be on a plinth or vice versa.
05.07
Similarly in case of upgradation of Sub-station capacity, if the existing DT is of 25/63KVA it is to be
upgraded to next higher capacity i.e 63/100KVA 11/0.4KV. And in such case LT PVC cable is to be
upgraded to the required size.
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06.00
Construction of LT Lines
The LT lines shall be of following configurations
Sl No.
Type of line
Conductor
1
3Phase 4Wire
2
3Phase 4Wire
3
1Phase ABC
AB cable of size
3X35mm2+1X25mm2
XLPE Insulation
AB cable of size
3x55+1x50+mm²
XLPE Insulation
Aerial Bunched Cable
(ABC) of size
1X35+1X25
Support
8Mtr.
200KG PSC
Average span in
mtr.
40
8Mtr.
200KG PSC
40
8Mtr.
200KG PSC
40
06.01
LT Lines using AB Cable shall be constructed on 8 mtr 200KG PSC Pole complete with eye hook,
suspension/dead end clamp including belting of clamps etc. complete as required for supporting LT
AB conductor, earthing arrangement, anti climbing device, danger plate, stay sets as required, bolts,
nuts & washers and any other hardware required to complete the work, as finalised during detailed
engineering.
07.00
Service Connections
07.01
The scope includes providing service connections to the consumers Below Poverty Line (BPL
consumers) including 2 points wiring and coil earthing to the installation. The service cable shall
travel from service pole to the premises of the consumer with the provision of
i) PVC insulated double core with outer sheath 2.5 sq. mm single strand Alluminium cable
ii) UDC (Universal Distribution Connector) ABC cable with piercing type connector and
distribution box at DT
iii) Supporting GI wire 10 SWG
iv) GI pipe 20 mm, bend etc.
v) Electro Static Energy meter at the consumer premises.
vi) Providing 2Nos. CFL Bulb (18W+11W – 1 No. each) lamp in the consumer premise
07.02
L.T. consumer connection from service pole
The contractor shall provide the service connections to the identified households. The service
connection shall be complete with energy meters with TP Box in consumer’s premises. Service
Connection shall be provided with ‘PVC’ insulated 650/1100 V grade, twin core Aluminum solid
Conductors of size 2.5 sq.mm (3/22 cu equivalent) these wires shall be supported by a bearer GI wire
(3.15 mm) as per REC Spec. No. 45/1986. Cable shall be tied to bearer wire with an insulated
(Porcelain or bakelite) ring of adequate size and strength. The bidder shall provide his own
arrangements for anchoring the bearer wire at the premises of customers in case of BPL households.
07.03
Pole Top Distribution Box
Locations, where the numbers of consumers are in excess of 2 (say 3 to 5), a pole top LT distribution
box shall be provided. If the number of consumers exceeds 5, then the connection has to be provided
from adjacent pole having separate distribution box.
07.04
Piercing Connector
Wherever, the consumers for a particular pole are 1 or 2, piercing type connectors, having provision
for main conductor and service conductor of appropriate size for ABC & UDC for bare conductor,
shall be used. For LT main lines with bare conductors, service connection shall be provided using
‘UDC’ or wedge type connectors of suitable dimension/size as per REC specification.
Cost of all items/material required to complete the service connections shall be included in the
quoted price. The installation of all the material is in the scope of contractor.
9
As far s possible the service connection shall be given from the DT/pole of the LT line, which is
nearest to the consumer’s premise.
The service cable shall enter to the meter of the consumer premises through GI pipe of 20mm dia up
to the meter board. GI pipe will be fixed to the wall with suitable clamps. The supporting GI wire
will be suitably tied to the GI pipe. Coil earthing is to be done with GI lead wire to main switch.
07.05
House Wiring
For all the identified BPL households, the contractor shall carry out complete works of house wiring
with installation of energy meters.
ISI marked Double Pole 16Amp main switch shall be used.
ISI marked PVC conduit with single core 2.5 sq mm. aluminum wire shall be used for house wiring.
Two point wiring for lighting points shall include two piano type ISI marked 5A switch,
Bakelite/plastic holder, 2Nos. CFL Lamp (18W & 11W).
The wooden box shall be fixed in the consumer premises at a suitable height and shall house
i)
ii)
iii)
iv)
16Amp. DP Main Switch
Earthing terminal
One 5 Amp. Switch
One 18W CLF bulb with holder
Another wooden distribution board shall be fixed in the consumer premises at a suitable height and
shall house
i) 5 Amp switch
ii) 11 Watt CFL lamp with holder
The internal wiring shall be done using PVC conduits.
07.06
The Electrostatic meter with TP Box will be fixed separately.
Energisation of Pump Sets
In addition to construction of 11 KV 3 Phase/2 Phase line & installation of 11/0.4 KV, 63 KVA/25
KVA Sub-station and 11/0.23 KV, 16 KVA/ 10 KVA as per REC standard and materials conformed
to ISS specifications, a tamper proof box with secure energy metre as approved by NESCO along
with providing Service Connection materials with earthing device is to be taken up for energisation
of Pump Sets.
08.00
GENERAL REQUIREMENTS & INSTRUCTIONS
08.01
Sub-stations or Transformers upgraded / installed or PSC poles installed and BPL households
electrified under this scheme will be inscribed with the name of the scheme i.e “Biju Gram Jyoti”
and year of electrification in white paint in the back ground of deep green paint.
08.02
For HT & LT line the scope covers detailed survey, proposal for feeder bifurcation, pole spotting,
optimization of pole location, pole design, testing, fabrication and supply of all type of transmission
line poles including cross arms, angles, channels, braces, top brackets, stay sets, bolts, nuts and
washers, D-shackle, all types of insulators, and all type of pole accessories like, phase plate, number
plate, danger plate, anti-climbing device, stay sets. Guarding arrangements, etc.; design, selection of
type of foundation for different poles and casting of foundation for pole footing; and erection of
poles, supply and application of zinc rich paint, pole earthing, fixing of insulators, supply of
conductors & accessories, stringing of conductors along with all necessary line accessories and
testing and commissioning of
10
08.03
Bidder is required to follow statutory regulations stipulated in Electricity Act 2003, Indian telegraph
act 1889, I.E. Act 1910, Electricity (Supply) Act 1948, Indian Electricity Rules 1956 with all
amendments till date and other local rules and regulations referred in this specifications.
08.04
Bidder shall obtain approvals & clearances and right of way from all agencies involved. All lines
shall generally be routed through public land / along the road.
08.05
The bidder shall be responsible for transportation to site of all the materials to be provided by the
Contractor as well as proper storage and preservation of the same at his own cost, till such time the
erected line is taken over by the Owner.
08.06
Failure of any equipment to meet the specified requirements of tests carried out at works or at site
shall be sufficient cause for rejection of the equipment. Rejection of any equipment will not be held
as a valid reason for delay in the completion of the works as per schedule. Contractor shall be
responsible for removing all deficiencies, and supplying the equipment that meet the requirement.
ROUTE SURVEY
Successful bidder shall carry out detailed survey and prepare the detailed route of 33KV, 11KV &
LT lines, location of Distribution Transformer on topographical sheets / mouja maps available from
government agencies. The bidder shall make his own arrangements for obtaining the topographical
maps/mouzas maps from the concerned agencies. The final route map for 33 KV, 11KV & LT lines,
shall be prepared and submitted by the bidder, showing the proposed pole position, ground
clearance, conductor sag and various crossings i.e. railway lines, communication lines, EHT lines,
rivers, road and stream crossings on the map to a scale of 1:25000. All LT lines along with pole
locations are to be marked on village / mouza maps / patwari maps to a scale 1:5000.
GENERAL CONSTRUCTIONAL PRACTICES (11KV)
The following types of poles shall be used at respective locations given below.
a) SP (Single Pole support) 0o - 10o deviation.
b) DP (Double Pole support) 0o - 60o deviation
c) FP (Four Pole support) 60o - 90o deviation
Pole Spotting
a) Span
Average span of HT & LT lines with proposed conductors is given in the table below.
Sl No.
Line Class
Support
(Height in
mtrs / KG
class)
PSC (9/300)
Conductor
Type
Nominal
Conductor
size in sq
Max. span in
mtrs.
1
33KV, 3Ph
AAAC
55
80
2
PSC (8/200)
AAAC
55
68
3
11KV 3Ph (for
new line &
spur line)
LT 3Ph 4W
PSC (8/200)
ABC
3X35+1X25
40
4
LT 3Ph 4W
PSC (8/200)
ABC
3x55+1x50
40
5
LT 1Ph 2W
PSC (8/200)
ABC
1X35+1X25
40
(b) Road Crossing
At all major road crossings, the poles shall be fitted with strain type insulators but the ground
clearance at the roads under maximum temperature and in still air shall be such that even with
11
conductor broken in adjacent span, ground clearance of the conductor from the road surfaces shall
not be less than 6.1 meters.
(c) Power Line Crossings
Where the proposed lines require to cross over another line of the same voltage or lower voltage,
provisions to prevent the possibility of its coming into contact with other overhead lines shall be
made in accordance with the Indian Electricity Rules, 1956 as amended from time to time. All the
works related to the above proposal shall be deemed to be included in the scope of the Contractor.
Where existing lines of higher voltages are to be crossed under another line, the bidder shall take up
suitable re-routing so as to obtain necessary sectional clearances, other wise crossing through 11 kV
cable shall be proposed.
(d) Telecommunication Line Crossings
The angle of crossing shall be as near to 90 degree as possible. However, deviation to the extent of
30 degree may be permitted under exceptionally difficult situations.
HT line shall be routed with requisite suppresion with parallel telecom line to avoid inductance
during faults.
(d) Details Enroute.
All topographical details, permanent features, such as trees, telecommunication lines, building etc.
5.5 meter on either side of the alignment shall be detailed on the route plan.
(e) Clearance from Ground, Building, Trees etc.
Clearance from ground, buildings, trees and telephone lines shall be provided in conformity with the
Indian Electricity Rules, 1956 as amended upto date. The bidder shall select the height of the poles
such that all electrical clearances are maintained. 116x100 R S Joist shall be used for all road &
drain crossings, if required. In case of exceptional terrain, 150x150 RS Joist may be used with the
approval of owner.
(f) The minimum planting depth of poles shall be governed by IS : 1678. However, if due to the
ground conditions, e.g. water logged area etc. depth of planting of poles shall be suitably increased
the bidder will supply the poles of suitable height in order to maintain the required clearances, the
vendor will submit the details of the same on case to case basis.
(i) Guarding mesh shall be used in all electric line / telecom line / road / drain / canal crossing and at
all points as per statutory requirements. The bidder shall provide & install anti climbing devices and
danger plates on all poles and DT stations.
DESIGN PARAMETERS
a) Factor of safety 2.0 in Normal condition for 33 kV & 2.5 for 11 kV line & LT line PSC
supports.
b) Wind Pressure on Pole & conductor– As per IS 802
c) In addition to wind load on cross-arms, insulators guy-wire etc. shall be considered.
d) Wind load on full projected area of conductors and pole is to be considered for design.
e) Ground clearance shall be minimum 5.2m for 33 kV line & 4.6 m for 11 KV line & LT line
for bare conductor at locations other than road crossings.
f) Ground clearance shall be minimum 4m for 11 kV ABC line & LT ABC line.
g) The live metal clearance shall be as per IS: 5613 and shall be min. 330 mm for 33 KV line.
Pole accessories like danger plates, phase plates and number plates shall be provided.
POLES
Erection of Pole, PSC footing and compaction of soil
Pits are to excavated to a size of 0.6 meter x 1.2 meter with its longer axis in the direction of the line.
In case bidder employs Earth augers, the Pit size can be considered 0.6 meter dia with 1.5 meter
depth.
12
For hard rock locations, 1 meter deep hole of diameter 20% in excess of the longest dimension of the
bottom most portion of pole shall be excavated. The pole shall be grouted in the pit with 1:2:4
nominal concrete mix at the time of pole erection.
The planting depth of pole over the base precast concrete slab shall be 1500 mm in the ground except
in wet soil and black cotton soil where depth shall be increased by 0.2 mtr. to 0.3 mtr. with reduced
wind span.
Earthing of Poles
In 33/11 kV & LT line, each pole shall be earthed with coil type earthing as per REC
Construction Standard J-1.
All DP & Four pole structures & the poles on both sides of railway, Telecommunication, road, drain
& river crossing shall be earthed by pipe earthing as per enclosed REC Construction Standard J-2.
Extension Pole
PSC pole with pole extension arrangement up to two meters shall be used at low ground level
locations for maintaining ground clearance and for road crossings for HT & LT lines. Extension of
poles shall be by use of 100x50x6mm galvanise channel up to three meters. A overlap of one meter
shall be maintained with the pole.
Wherever such extended poles will be used the span on both sides of the extension pole shall be
suitably reduced to take care of loading on the pole.
PROVIDING OF GUYS/STRUT POLES TO SUPPORTS
Strut poles/flying guys wherever required shall be installed on various pole locations as per REC
construction standards .For selection of guing locations REC guidelines & construction practices
shall be followed.
The stay rod should be placed in a position so that the angle of rod with the vertical face of the pit is
300/450 as the case may be.
G.I. stay wires of size 7/3.15 mm (10 SWG) with GI turn buckle rod of 16 mm dia & 16 mm dia GI
stay stay rods, shall be used for 11KV & LT line.
G.I. stay wires of size 7/4 mm with GI turn buckle rod of 20 mm dia & 20 mm dia GI stay stay rods,
shall be used for 33 KV line.
For double pole structure (DP), four stays along the line, two in each direction and two stays along
the bisection of the angle of deviation (or more) as required depending on the angle of deviation are
to be provided. Hot dip galvanised stay sets are to be used.
The anchor plate shall be fixed to 200mm x 200mm MS plate of 6mm thickness. M.S. rod with a bolt
arrangement at one end and other end is given shape of 40mm dia circle to bind one end of the stay
wire.
CROSS ARMS
Cross Arms For 33 KV And 11 KV Overhead Power Lines shall be made out of 100x50x6 mm and
75 x 40 x6 mm M.S. channel. Cross Arms made out of M.S. angle shall not be used. Cross arms
shall conform to specification given under the head miscellaneous items in this specifications.
Crossings
All crossings shall be at right angles.
Guarding shall be provided at major crossings. The Guardings shall consists of GI guard cross arm
of length 2.5 mtrs made out of 75 x 40 x 6 mm channel & shall be hot dipped galvanized generally
conforming to IS:2633/72. The clamps shall also be hot dipped galvanized generally conforming to
13
IS:2633/72. Guardings shall be erected with ground & line clearances as per the I.E. rules. The
guarding shall be provided with GI wire 8 SWG for 11KV & LT line & 4 SWG for 33KV line.
Binding wire & suitable I bolt & nut bolts for cross arm to cross arm. Guard wire shall be separately
earthed at both ends. Crossings the roads / canals or any other lines shall be as per the enclosed
drawing No. CC: 9404: NESCL: ENGG: RGGVY:LT LINE: 06.For 33KV line guarding
arrangement shall be as per REC construction standard M6.
Anti-climbing Devices
Anti Climbing Devices shall be provided with G.I. Barbed wire, they shall be provided and installed
by the Contractor for all poles. The barbed wire shall conform to IS:278 (Grade A1). The barbed
wires shall be given chromating dip as per procedure laid down in IS:1340.
Painting Materials
All the metal parts except G.I. parts are to be painted with one coat of red oxide and one coat of
aluminium paint.
STRINGING OF CONDUCTOR
The works include spreading of conductors or HT/LT AB Cables without any damage and stringing
with proper tension without any kinks/damage including binding of conductor at pin points,
jumpering at cut points etc. The ground & line clearances at road crossings along roads, L.T.
crossings & other crossings shall be as per the relevant I.E. rules.
All the joints or splices shall be made at least 15 meters away from the pole. No joints or splices
shall be made in spans crossing over main roads, railways and small river spans. Not more than one
joint per sub-conductor per span shall be allowed. The compression type fittings shall be of the self
centering type. After compressing the joint, the alluminium sleeve shall have all corners rounded;
burrs and sharp edges removed and smoothened.
While Re-conductoring of 11 KV line, disconnection/connection of existing Distribution
Transformer shall be in the scope of the contractor/bidder. The supply and erection of line material
for achieving the DT disconnection and connection shall be in the scope of the contractor.
The empty conductor drums, available after laying of conductor, shall be disposed of by the
contractor at his cost. These drums may be used for rewinding of Conductor removed from the line
at the later stage of Re-conductoring work.
Survey of existing lines
Survey shall have to be carried out by the contractor of existing lines.
Span
Since the work shall be done on the existing line, the existing span shall be maintained. However, if
any new pole is required to be erected along the route of existing line, the span should be as near as
possible to the basic design span indicated below.
11 KV line : 68 meter
14
SECTION - III
TECHNICAL SPECIFICATION
15
TECHNICAL SPECIFICATION FOR 11KV LINE MATERIALS
SUPPORT POLES, CROSSARMS AND NUTS & BOLTS
01.00
02.00
SCOPE
This Specification covers Design, Engineering, Manufacture, testing, inspection before despatch,
forwarding, packing, transportation to site, Insurance (both during transit & storage), Storage,
Erection, Supervision, testing and commissioning of 11KV, support Poles, Cross Arms and Bolts &
Nuts. for use in the networks of NESCO, Orissa
DESIGN REQUIREMENT

The wind pressures to be applied to the conductors, poles and crossarms are specified in IS
5613 (Part 1/ Section 1): 1995 and as stipulated in the Service Conditions.
03.00
PSC POLES
PSC Poles shall be of solid rectangular type with an overall length of 8.0 M & 9.0 M suitable for use
in 11KV overhead power lines and double pole & four pole structures associated with the lines and
for 11/0.4 KV substations.
04.00
APPLICABLE STANDARDS
Except when they conflict with specific requirements in this Specification, the PSC poles shall
comply with the relevant provisions made in the following Indian Standards or the latest versions
thereof.
a) IS: 1678, Specification for prestressed concrete poles for overhead power, traction and
telecommunication lines
b) IS: 2905, Method of test for concrete poles for overhead power and telecommunications
lines.
c) IS: 7321, Code of Practice for selection, handling and erection of concrete poles for
overhead power and telecommunication lines
05.00
Application
06.00
8.0 M Poles (200 Kg)
These poles shall be used at tangent locations for 11kv and L.T. lines in wind pressure zones of
100kg/M2 in accordance with REC Construction Standards No. A-5.
06.01
9.0 M Poles (300 Kg)
These poles shall be used for double pole structures of distribution transformer centers as per REC
Construction Standards F-2 to F-4 and for special locations in 11 KV and L.T Lines, such as road
crossing etc.
07.00
Material
07.01
Cement
The cement used in the manufacture of prestressed concrete poles shall be ordinary or rapid
hardening Portland cement conforming to IS:269-1976(Specification for ordinary and low heat
Portland cement) or IS: 8041 E-1978(Specification for rapid hardening Portland cement).
07.02
Aggregates
Aggregates used for the manufacture of pre-stressed concrete poles shall confirm to IS:383
(Specification for coarse and fine aggregates from natural sources for concrete). The nominal
maximum size of aggregates shall in no case exceed 12mm.
07.03
Water
Water should be free from chlorides, sulphates, other salts and organic matter. Potable water will
be generally suitable.
16
07.04
Cover
The cover of concrete measured from outside of pre-stressing tendon shall be normally 20mm.
07.05
07.06
Earthing
Earthing shall be provided by having length of 8 SWG GI wire embedded in concrete during
manufacture and the ends of the wires left projecting from the pole to a length of 100mm at 250mm
from top and 150mm below ground level.
17
TECHNICAL SPECIFICATION FOR STEEL MATERIALS
100X50 MM MS CHANNEL
50X50X6 MM MS ANGLE
01.00
Scope:
This specification covers the manufacturing, testing before dispatch and delivery at destination at site
stores in Jajpur Town.
100X50 MM MS CHANNEL
75X40 MM MS CHANNEL
50X50X6 MM MS ANGLE
As per I.S :2062 and its lates amendments for grade A
02.00
Standards:
The steel materials shall comply with the requirements of latest issue of IS – 2062
except where specified otherwise.
Gr – A
TECHNICAL SPECIFICATION FOR 11 KV INSULATORS
01.00
02.00
SCOPE
This Specification covers Design, Engineering, Manufacture, testing, inspection before despatch,
forwarding, packing, transportation to site, Insurance (both during transit & storage), Storage,
Erection, Supervision, testing and commissioning of 11KV Insulators for use in the networks of
NESCO, Orissa.
PIN INSULATORS
33 KV
03.00
11 KV
Nominal Voltage
Visible discharge voltage
27 KV rms.
9 KV rms.
Wet power frequency one minute withstand voltage
75 KV rms.
35 KV rms.
Power frequency puncture voltage
180 KV rms.
105 KV rms.
Impulse withstand voltage peak
170 KV peak
75 KV peak
Creepage distance
840 mm
320 mm
Protected creepage distance
420 mm
--
Minimum failing load up to conductor size 100 mm2
10 KN
Performance Characteristics
The insulators shall be suitable for use on the NESCO distribution system with conditions as shown
in the sections on Service Conditions and System Conditions.
They shall conform to IEC 720 or IS 731 and shall meet the following performance criteria
18
04.00
.01
DISC INSULATOR
Performance Characteristics
Nominal Voltage
33 KV
Minimum number of discs is string
Visible discharge voltage
3
27KV rms.
11 KV
1
9 KV rms.
Wet power
frequency one minute 75KV rms. 35 KV rms.
withstand voltage
Power frequency puncture voltage
1.3 times the actual dry flashover voltage of the unit
Impulse withstand voltage peak
170 KV
75 KV
Minimum creepage distance
840 mm
320 mm
Minimum protected creepage distance
420 mm
--
Minimum mechanical failing load for 120 KN
conductor sizes of 232 MM2 AAAC
05.00
06.00
120 KN
80 & 100 mm2
90
90
55 mm2
70
70
Tests
Type, acceptance and routine tests shall be carried out and results given alongwith certification as
appropriate in the Technical Data Schedule and Test Certificates Schedule of this specification.
Type tests
The following type tests are required :
 Visible discharge test;
 Impulse voltage withstand test;
 Wet power frequency voltage withstand test
 Electro-mechanical failing load test for string insulator units (porcelain type)
 24 hour mechanical strength test;
06.01
06.02
Acceptance Tests
The test samples having withstood the routine tests shall be subjected to the following tests
according to the sampling procedure of IEC 383 clause 23 :
 Verification of dimensions
 24 hour mechanical strength test;
 Elctro-mechanical failing load test for string insulator units (porcelain type)
 Puncture test;
 Porosity test (porcelain only );
 Test for galvanization of ferrous parts
Routine tests
The following routine tests shall be conducted on each set and results are to be furnished for
consideration :
 Visual examination;
 Tensile load test;
 Power frequency voltage test;
19
06.03
06.04
POST INSULATOR FOR PRIMARY SUBSTATIONS
Post Insulator (clamp top type)
Bidders may offer substation designs using post insulators of the clamp top type. The insulators shall
be suitable for use in NESCO primary substations with conditions as shown in the sections on
Service Conditions and System Conditions.
They shall conform to IEC 273 or IS 2544 and shall meet the following performance criteria:
Normal Voltage
33KV
11KV
Visible discharge voltage
27 KV rms.
9 KV rms.
Wet and dry power frequency one minute 75 KV rms.
withstands voltage.
35 KV rms.
Power frequency puncture withstand voltage
1.3 times the actual dry 1.3 times the actual
flashover voltage.
dry flashover voltage.
Impulse withstand voltage peak
170 KV peak
75 KV peak
Minimum creep age distance
840 mm
380 mm
Minimum protected creep age distance
Minimum failing load (bending)
Minimum failing load (torsion)
420 mm
12.5 KN
2000 Nm*
12.5 KN
1200 Nm*
07.00
STAY INSULATORS (11 KV)
The insulators shall be suitable for use on the NESCO distribution system with conditions as shown
in the sections on Service Conditions and System Conditions 11 KV Stay insulators shall be used on
L.V stays.
07.01
Performance Characteristic shall be strictly as per relevant IS.
07.02
Materials
The insulators shall be brown glazed porcelain .
07.03
Design
The bidder shall guarantee than the dimensions and tolerance of the insulators offered are in
accordance with the drawing which shall accompany the bid documents.
The insulators shall be used with 7/8 SWG (7/4.00 mm ) steel stay wire, having an overall diameter
of 12.2 mm and tensile strength of 70 kgf/sq. mm. The insulators shall be suitable for use having a
minimum stay wire hole diameter of 22 mm and be such that a straight stay wire can be passed
through it.
20
TECHNICAL SPECIFICATION FOR 11 KV LINE FITTINGS
01.00
SCOPE
This Specification covers Design, Engineering, Manufacture, testing, inspection before despatch,
forwarding, packing, transportation to site, Insurance (both during transit & storage), Storage,
Erection, Supervision, testing and commissioning of 11KV Line Fittings for use in the networks
of NESCO, Orissa.
02.00
Measurements and Tests for Stay Wire
Description
Required Value (Grade 4)
Nominal size of stay wire:
7/4.00 mm
Nominal Diameter of Individual Wires :
4.00 mm
Minimum Diameter of Individual Wires :
3.90 mm
Maximum Diameter of Individual Wires:
4.10 mm
Minimum ultimate tensile strength of individual wires
700 N
Minimum percent elongation at rupture before stranding
5%
Minimum percent elongation at rupture after stranding
4.25%
Wrapping test for ductility :
Turns on and off its own diameter
Lay ratio of finished strand
8
Minimum weight of zinc coating before stranding
490 g / mm2
Minimum weight of zinc coating after stranding
475 g/ mm2
Chemical test : Sulphur and phosphorus content
Less than or equal to 0.060 % each
19 to 21
21
TECHNICAL SPECIFICATION FOR ALL ALUMINIUM ALLOY CONDUCTOR (AAAC)
01.00
SCOPE
This specification covers design, Engineering, Manufacture, Testing, Inspection before despath,
forwarding, packing, transportation to sites, Insurance (both during transit & storage ), storage,
erection, supervision testing & commissioning of all sizes of All Alluminium Alloy Conductors of
the alluminium – magnesium- silicon type for use in the distribution overhead power lines of
NESCO of Orissa.
02.00
STANDARDS
Except where modified by the specification, the Alluminium Alloy Conductor shall be designed,
manufactured and tested in accordance with latest editions of the following standards.
IEC/ISO/
Other IS
International Standard
IEC :1089
Round wire concentric lay overhead electrical
standard conductors
IS 398
Alluminium Alloy Stranded Conductors
IS 9997
Alluminium Alloy redraw rods for electrical purposes
IEC 502 : 1994
Extruded solid dielectric insulated power cables for
rated voltages 1.0 KV up to 30 KV
IEC 104
Alluminium Magnesium Silicon alloy wire for
overhead line conductors
Reels and drums of bare conductor.
IS 1778
BS : 6485-1971
03.00
Subject
PVC covered conductors for overhead power lines.
SPARE PARTS AND SPECIAL TOOLS
The Bidder shall provide a list of recommended spare parts, special erection and installation tools/
equipment together with their individual prices. This list shall identify all essential spares items for
any recommended maintenance for a period of five years after commissioning.
The Project Manager may order all or any of the spare parts/erection/ installation tools listed at the
time of contract award and the parts so ordered shall be supplied as part of the definite works. The
Project Manager may order additional spares at any time during the contract period at the rates stated
in the Contract Document.
A spare parts catalogue with price list shall be provided and this shall form part of the drawings and
literature to be supplied.
The Bidder shall give an assurance that spare parts and consumable items will continue to be
available through the life of the equipment, which shall be 25 years minimum. However, the
Contractor shall give a minimum of 12 months notice in the event that the Contractor or any subcontractors plan to discontinue manufacture of any component used in this equipment.
Any spare apparatus, parts or tools shall be subject to the same specification, tests and conditions as
similar material supplied under the Contract. They shall be strictly interchangeable and suitable for
use in place of the corresponding parts supplied with the plant and must be suitably marked and
numbered for identification.
Spare parts shall be delivered suitably packed and treated for long periods in storage. Each pack shall
be clearly and indelibly marked with its contents, including a designation number corresponding to
the spare parts list in the operation and maintenance instructions.
22
TECHNICAL SPCIFICATION FOR 11 KV 400 AMPS 3 POLE AB SWITCH.
01.00
SCOPE:- This specification covers manufacturing testing and supply of 11 KV 400 AMPS 50 Hz Air
Break switches for out door installation in horizontal configuration. The switches are suitable for
operation under off load conditions only and are intended for use on Distribution Sub- stations and
tapping sectionalising points of 11 KV lines.
02.00
DESCRIPTION OF THE MATERIALS:The 11 KV A.B. Switch sets shall confirm to the following parameters:i) Number of poles
3
ii) Number of Post insulator per pole
2 nos. 12 KV post insulator
iii) Nominal system voltage
11 KV
iv)Highest System Voltage
12 KV
v) Rated frequency
50 Hz
vi) System earthing
effectively earthed.
vii) Rated nominal current
400 amps
viii) Altitude of installation.
Not exceeding 1000 M
03.00
STANDARDS:- The AB Switch Set shall conform to the following standards:a) IS-9920 (Part-I to V.)
b) IS-2544/1973 ( for porcelain post insulators)
c) Is-2633, (for galvanisation of ferrous parts.) or its latest amendments if any.
04.00
INSULATOR MAKE:1. 12 KV post Insulators complete with post and cap duly cemented to be used in the AB Switch Set
conforming to IS-2544/1973
The tenderer shall furnish the type test certificate of the post insulators from their
manufacturer for reference and scrutiny.
The tenderers shall mention make, type of insulation materials, metal fittings, Creepage distance,
protected Creepage distance, tensile strength, compression strength, torsion strength and cantilever
strength.
05.00
06.00
TECHNICAL DETAILS:6.1 General:- The 11 KV A.B. Switch Set shall be the gang operated rotating single air break type
having 2 post insulator per phase.. The operating mechanism shall be suitable for manual operation
from the ground level and shall be so designed that all the three phases shall open or close
simultaneously. The Switches shall be robust in construction, easy in operation and shall be
protected against over travel or straining that might adversely effect any of its parts. The required
base M.S. Channel ( hot dip galvanised) phase coupling rod, operating rod with intermediate guide
braided with flexible electrolytic copper, tail piece of required current carrying capacity and
operating mechanism with ‘ON’ & ‘OFF’ positions shall be provided. The operating rod shall be
medium gage of 32mm diameter nominal bore G.I. pipe single length 6 meters. The phase coupling
rod for gang operation shall be of medium gauge 25mm dia nominal bore G.I. Pipe. The Rotating
post insulators shall be provided with suitable bearing mounted on a base channel with 8 mm dia
thrust coller and 6mm split pin made out of stainless steel. The operating down rod shall be coupled
to the spindle ( minimum dia - 32mm) for gang operation through another suitable bearing by two
numbers 10mm dia stainless steel bolts with double nuts. All the bearings shall be provided with
grease nipples. All metal ( ferrous) parts shall be galvanised and polished. The pipe shall be
galvanised in accordance with IS-4736/1968. The post insulators should be fixed with the base
channel using Galvanised Nuts and Bolts.
Sample, Drawing & Literatures:- Samples of each item 11 KV 400 amps. A.B. Switch shall be
furnished and three copies of drawings item similar to the sample shall be furnished alongwith the
tender.
23
The details of construction and materials of different parts of the A.B. Switch shall clearly be
indicated in the tender and illustrative pamphlet/ literature for the same shall be submitted alongwith
the tender.
07.00
TESTS & TEST CERTIFICATE:Type Test:- Certificates for the following type tests conducted within five years proceeding to the
date of opening of tender) on a prototype set of A.B Switch in a Govt. Approved Testing Laboratory
preferably at CPRI Bangalore shall have to be submitted for reference.
Dielectric Test (impulse and one minute wer5 power frequency withstand voltage test.)
 Temperature rise test ( for contracts and terminals)
 Short Time current and peak withstand current test.
 Mainly active load breaking capacity test.
 Transformer off-load breaking capacity test
 Line charging breaking capacity test
 Cable charging breaking test
 Operation and mechanical endurance test
 Mechanical strength test for post insulator, as per Is-2544/1973 shall be furnished.
 Test for galvanisation of metal ( ferrous) parts.
Routine Tests:- The following routine tests shall have to be conducted on each sets and results are to
be furnished for consideration of deputing inspecting officer for inspection and conducting testing of
the materials.
1. Power frequency voltage dry test.
2. Measurement of resistance of main circuit
3. Tests to prove satisfactory operation.
4. Dimension check
5. Galvanisation test.
08.00
GUARANTEED TECHNICAL PARTICULARS:The tenderer shall furnish the guaranteed technical particulars duly filled in the proforma along with
the tender.
09.00
COMPLETENESS OF EQUIPMENT:All fittings, accessories or apparatus which may not have been specifically mentioned in this
specification but which are usual or necessary in equipment of similar plant shall be deemed to be
included in the specification and shall be supplied by the Tender without extra charge. All plant and
equipment shall be completed in all details whether such details are mentioned in the specification or
not.
10.00
INSPECTION:Routine tests shall be conducted at the place of manufacturer. The tenderers are requested to furnish
details of equipment which will be used for testing alongwith tender. The tenderers of those
manufacturers who do not have adequate testing facilities for conducting routine and acceptance test
are liable for cancellation. The successful bidder has to furnish routine test certificate and guaranteed
certificate for approval prior to offer of materials for inspection for each consignment of offer.
24
TECHNICAL SPECIFICATION FOR 11 KV 200 AMP THREE POLE
H.G. FUSE SETS.
01.00
02.00
SCOPE: - This specification covers the manufacture, testing and supply of 11 KV, 200 Amps 3 pole,
H.G. Fuse Sets.
(a) The 11 KV H.G. Fuses shall be suitable for out door operation in horizontal configuration under the
climatic conditions specified. It shall be of the following ratings:1.
2.
3.
4.
5.
6.
7.
8.
03.00
Number of Poles
No. of insulator per pole
Nominal system voltage
Highest system voltage
Rated frequency
System Earthing
Rated normal current
Altitude of installation
3
2 nos. 12 KV post insulators
11 KV
12KV
50 Hz
Effectively earthed
200 Amps
Not exceeding 1000 M.
STANDARDS:The H.G. Fuse set shall conform to the following standards.
IS-9385-1980 (for high voltage expulsion fuses and similar fuses)
IS-2544-1973 (for porcelain post insulators or its latest amendments if any
IS-2633-1979 (for Galvanisation of ferrous parts)
04.00
INSULATOR MAKE:-12 KV post insulator complete with pedestal cap duly cemented to be used in
11 KV H.G. Fuse sets confirming to IS-2544/1973
05.00
TECHNICAL DETAILS:- The H.G. Fuses shall have adjustable arcing horns made of solid copper
rod having 7.62 mm dia. The horns shall be fitted with screwing devices with flynuts for fixing and
tightening the fuse wire. It shall have robust terminal connector 5s of size 80mm x50 mm x 6 mm
made of copper casting ( 95% minimum copper composition) duly silver plated with two numbers of
12mm dia brass bolts and double nuts with flat brass washers. The connector should be capable of
connecting crimpable conductor up to 80 Sq.mm. size ( ACSR/Alloy) with bimetallic solderless
sockets .The H.G. Fuse Set shall suitable for horizontal mounting on sub-station structures. The
minimum clearance between the adjacent phases of the fuse set shall be
760 mm and the centre to centre (distance between two post insulators of the same phase) shall be
410 mm. All metal (ferrous) parts shall be galvanized and polished. Only 12 KV post insulator
(original cemented and not pin insulators shall be used for the H.G. Fuse Set.
06.00
TESTS & TEST CERTIFICATE:- Certificate for the following type test conducted ( within 5 years
preceding to the date of opening of Tender) on a prototype set of H.G. Fuse set in a Govt. approved
Testing Laboratory preferably at CPRI, Bangalore shall have to be submitted for reference and
Scrutiny.
1.
2.
3.
4.
Dielectric test (impulse & one minute wet power frequency withstand voltage test.)
Temperature rise test ( for terminals).
Mechanical strength test for the post insulator as per IS-2544/1973.
Test for galvanization of metal ( ferrous) parts.
25
TECHNICAL SPECIFICATION FOR 33 KV & 11 KV SURGE ARRESTOR (L.A)
01.00
SCOPE
This Specification covers Design, Engineering, Manufacture, testing, inspection before despatch,
forwarding, packing, transportation to site, Insurance (both during transit & storage), Storage,
Erection, Supervision, testing and commissioning of 33 KV & 11 KV Surge Arrestor (L.A) for use
in the networks of NESCO, Orissa.
02.00
TECHNICAL
The Station Class Surge Arrestor shall be heavy duty, metal oxide, gapless type generally for
installation on the 33 KV and 11 KV sides of 33/11 KV Primary substations and 11/0.4 KV
Distribution Substation.
The performance requirements are as follows:
Performance Characteristics of Surge Arresters
Nominal System Voltage
Class
 Arrestor voltage rating
11 KV
Station Class
12 KV
33 KV
Station Class
30 KV

Rated frequency
50 Hz
50 Hz

Continuous operating voltage, rms
9.6 KV
24 KV


Leakage current through arrestor
operating voltage
Long duration discharge class

Nominal 8/20µs discharge current – peak

at Less than 1
mA
Less than
1mA
Class 2
Class 2
10 kA
10 kA
Maximum Lightning impulse residual
voltage with 8/20µs discharge current peak
32KV(31KV*)
85KV (78 KV*)

Maximum switching impusse residual
voltage peak
28 KV (24 KV*)
70 KV ( 60 KV*)

Maximum residual voltage with steep
current peak
High current impulse test value (4/10µs
wave)
38 KV (34 KV*)
93 KV (85 KV*)
100 KA
100 KA


Insulator housing impulse
voltage, 1.250µs wave-peak
withstand
41.6 KV
110.5 KV

Insulator housing power frequency voltage
withstand capability for one minute (wet) –
peak
29.68 KV
74.2 KV

Minimum creepage distance of insulator
380 mm
900 mm
Not Applicable
450 mm
 Minimum protected creepage distance
* Figures shown in bracket are preferred ratings. Insulation withstand voltage of arrester housing
shall be related to the residual voltages in accordance with clause
5.1 of IEC : 99.4
26
GUARANTEED TECHNICAL PARTICULARS OF 11 KV 400 AMPS A.B. SWITCHES
-----------------------------------------------------------------------------------------Sl.No
particulars
33 KV 400 Amps
particulars
A.B. Switches
as offered by
( desired value) the tender.
-----------------------------------------------------------------------------------------1
2
3
4
-----------------------------------------------------------------------------------------1.
Maker’s name and
To be specified by the
country or origin.
By the tenderer.
2.
Type of Switch
3.
Suitable for mounting
4.
Number of supporting
2 nos.12 KV
post insulator per phase Post Insulator per phase
as per ISS-2544/1973.
Post Insulator.
5.
(a)
(b)
Rotating type only
Horizontal only
Maker’s name & country
of origin
Type of cemeting
-
To be specified
By the tenderer
To be quoted original
cemented only.
(c)
One minute power fre- 35 KV RMS.
Quency withstand voltage
Dry
-
(d)
One minute power fre- 35 KV RMS.
Quency withstand voltage
Wet.
Visible discharge voltage
9 KV RMS.
-
(e)
(f)
Dry Flashover Voltage To be specified
by the tenderer
-
-
(g)
Power frequency puncture
withstand voltas
1.3 times of actual dry
flash over volage.
(h)
Creepage distance
230 mm minimum.
(actual creepage distance
for which type test have
been conducted is to be
specified by the tenderer.
6.
a)
Impulse withstand voltage
for positive and negative
polarity ( 1.2/50) mircro
second wave).
Across the isolating distance
85 KV (peak)
b)
To earth & between poles
75 KV (peak)
7.
One minute power frequency
-
27
(a)
withstand voltage
Across the isolating distance
32 KV (RMS)
-
(b)
To earth and between poles
28 KV (RMS)
-
8.
Rated normal current and
rated frequency.
400 amps. 50 Hz
9.
Rated short circuit making
capacity.
10.
Rated short time current.
16 KA (RMS)
11
Rated peak withstand current
40 KA (RMS)
12
Rated mainly active load
breaking capacity
10 A
25 KA (peak)
13
Rated Transformer off load
breaking capacity
14.
Rated line charging breaking
capacity
2.5 A ( RMS)
Rated cable charging breaking
capacity
10 A ( rms)
15.
16.
Minimum clearance between
adjacent phases
(a)
Switch Closed.
( centre to centre)
(b)
Switch opened.
(centre/edge of blade)
17.
(a)
6.3 A( rms)
760 mm
380 mm
Temperature rise:
Temperature rise should not
exceed to maximum limit as
specified below at an ambient
temperature not exceeding
in 40 0 C
Copper contacts silver faced
Terminal of switch
intended to be connected to
external conductor by bolts
or screw at an ambient
temperature at 40 0 C
should not exceed .
65 0 C
50 0 C
18.
Vertical Clearance from top of 254 mm (minimum)
insulator cap to mounting channel
19.
Type of contact
a) Self aligned, high pressure jaw type
fixed contacts of electrolytic copper of size 80 x 50 x 8 mm duly silver plated.
Each contact should be revetted with three nos. Copper rivets with a bunch
(
28
minimum 3 mm thick) consisting of copper foils, each may vary from 0.15 mm to
0.25 mm. These total thickness of copper foils per jaw should be 6 mm. Jaw
assemblings are to be bolted through stainless steel bolts and nuts with stainless
steel flat and spring washer.
b) Solid rectJajpurat blade type moving contact of electrolytic copper size 220 mm
x 50 mm x 8 mm duly silver plated.
c) Pressurespring to be used in jaw contacts shall be phosphorous bronze having 8
nos of turn x 28 mm hight x 14.4 mm diameter with 14 SWG wire (minimum six
nos springs shall be used.)
20.
Connectors.
Terminal connectors for both movable and
fixed should be of copper casting ( minimum 95 % copper composition. The fixed
connector shall of size 80 x 50 x 8 mm and the size of movable connector shall be
size 80 x 50 x 8 mm with machine finishing duly silver plated with 2 nos. 12 mm
dia holes provided with suitable brass bolts and double nuts with brass flat
washers and 2 nos solderless biometallic shockets for each connector suitable up
to 80 Sq.mm conductor.
21. Moving Contact
Movable contact is to be supported by
galvanised angle of 50 x 50 x 5 mm in each
phase and the moving contact are to be bolted through 2 nos stainless steel bolts
and nuts with stainless steel flat and spring washers, suitable.
22. Galvanisation
a) Iron parts shall be not deep galvanised as per IS-2633/1972.
b) The pipe shall be galvanised as per IS-4736/1968.
23. Details of phase :(a) Coupling Rod
25 mm nominal bore G.I. pipe
medium guage.
(b) Operating Rod
32 mm nominal bore G.I. pipe medium
guage single length 6 mtrs. The detailed dimension of the G. I. pipe as per IS-1239
(Pt.I) are mentioned below :-
c) Arcing Horn
d) Force of fixed
-----------------------------------------------------Nominal
Outside Diameter
Base
diameter
thickness
-----------------------------------------------------Max.
Min.
25 mm
34.2 mm 33.3 mm 3.25 mm
32 mm
42.9 mm 42 mm 3.25 mm
-----------------------------------------------------10 mm dia G.I. Rod with spring assisted operation.
contact spring To be specified by the tenderer
e) Copper braided flexible
topes
320 mm length of flexible electrolytic
copper tape or braided chord ( with tincoated) having minimum weight 450 gms.
Per meter and both ends shall be crimped with copper shockets through brass bolts
and nuts with brass flat washers.two nos of suitable copper shockets shall be used
at both ends. The minimum no. of flexible wires should be 1536 of 36 SWG for
each flexible chord.
f) Quick break device:
Lever mechanism
g) Brarings
4 nos. self lubricant bearing to be provided with grease nipple including 4 the
bearing being a thrust bearing.
29
h) Locking arrangemen:-
Pad Locker & Key arrangement at both ‘ON’ & ‘OFF’ position.
i) Earth Terminal :-
To be provided at base channels.
24. Supporting Channels
75 mm x 40 mm M.S. Channel hot deep galvanized.
25. Weight of each pole
complete:-
To be specified by the tender
N.B.
i) Ferrous parts shall be duly galvanised as per IS-2633/1972 & Non-ferrous parts shall be silver plated.
ii) Certificate from a Govt.Approved Laboratory regarding composition of copper in electrolytic copper
casting of materials should be submitted during inspection of materials at the cost of tenderer.
30
GUARANTEED TECHNICAL PARTICULARS FOR H.G. FUSE SET
11 KV 200 AMPS, 3 POLE
-----------------------------------------------------------------------------------------Sl.No
particulars
( Desired Value)
Values offered
By the tender.
-----------------------------------------------------------------------------------------1
2
3
4
-----------------------------------------------------------------------------------------1.
Name of the manufacturer and To be specified by the country of origin.
By the tenderer.
2.
Operating voltage
11 KV
3.
Number of insulators
per phase
2 nos.12 KV
Post Insulator per phase
4.
Rated normal current and
normal frequency.
200 Amps.50 Hz
Vertical clearance from top
of insulator cap to mounting
Channel
254 mm (minimum)
Height of the riser for carrying 150 mm from the
the horns.
cap (top) of insulator.
5.
6.
-
5.
Post Insulator.
(a)
Name of the manufacturer &
country of origin
To be specified
By the tenderer
(b)
Type of cemeting
To be quoted original
cemented only.
(c)
One minute power fre- 35 KV RMS.
Quency withstand voltage
Dry
-
(d)
One minute power fre- 35 KV RMS.
Quency withstand voltage
Wet.
Visible discharge voltage
9 KV (RMS)
-
(e)
(f)
Dry Flashover Voltage To be specified
by the tenderer
-
-
(g)
Power frequency puncture
withstand voltas
1.3 times of actual dry
flash over volage.
(h)
Creepage distance
230 mm minimum.
(actual creepage distance
for which type test have
been conducted is to be
specified by the tenderer
31
8
Impulse withstand voltage
(1.2/50 micro second wave
positive & negative polarity.
(a) Across the isolating distance.
(b) To earth & between poles
9.
85 KV (peak)
75 KV (peak)
(a)
One minute power frequency
withstand voltage
Across the isolating distance
(b)
To earth and between poles
10.
Details of Arcing Horns Solid Copper rod having 7.62 mm
dia silver plated provided with screwing
arrangement on the fuse carrier made of
copper casting for fixing fuse wire. ( Total
length 63 5mm ). All the bolts, nuts
and washers should be made out of brass.
11.
Riser Unit ( 150 mm
total height).
32 KV (RMS)
28 KV (RMS)
-
a) Riser cum connector made out of copper
Casting ( with minimum 95%
copper composition ) having riser size
50 mm height x 30mm width x 8 mm
thickness and connector size 80x 50x 6 mm
duly silver plated and machine finishing
provided with 2 nos.12 mm dia brass bolts
& brass double nuts with flat brass washer
and 2 nos. solderless bimetallic shockets per
each connector suitable up to 80 mm sq.
conductor.
b) 100 mm height G.I. riser made of 19 mm
nominal bore medium gauge G.I. pipe welded
with 2 nos G.I. Flat of 30 x 5 mm at both ends fixed with 10 mm dia
stainless steel, bolts and
nuts with flat stainless steel spring washers.
12.
Supporting Channels
75 x 40 x 6 mm M.S. Channel ( galvanized)
13.
Galvanisation
14.
Weight of each pole
complete).
All ferrous parts should be galvanized as per
IS-2633/1972 & all non-ferrous parts should be duly electroplated with
silver.
To be specified by the tenderer.
N.B. :- Certificate from a Govt. Approved Laboratory regarding composition of copper in electrolytic copper
casting and galvanization as per ISS may be furnished during inspection of materials at the cost of tender.
32
SCHEDULE OF BIDS FOR TECHNICAL
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
Name of tenderer with Office and factory address,
Tel.No./Telex No./Fax No.
Specification No.
Address of Local Office and Tel.No./Telex/Fax No.
Tenderer’s Referance No.
Last date and time of submission of Tender
Date and time for opening of Tender
Category of organization
Particulars of Earnest Money submitted
Whether NESCO/CESU delivery clause accepted
Whether agreed to
a) Inspection Clause
b) Packing Clause
c) Retesting Clause
Whether the material/equipment offered
conformed to the relevant ISS specification
and drawing .
Whether executed orders previously
for the items tendered now. Please
give full details of supplies made.
Whether the materials bears ISI mark
Offer valid up to
Delivery Schedule
a)
Commence with minimum quantity
b)
16.
17.
18.
19.
Rate of delivery per month/quarter
and completion time.
If any deviation, please mention in deviation
sheet enclosed.
Technical literature/catalogue of the
materials offered enclosed.
Bidders work experience
including user’s certificate furnished or not.
Whether Guaranteed Technical Data Sheet
Particulars submitted.
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
Signature of Bidder
With Name and Seal of Firm
(This form is to be duly filled up and duly signed by the Bidder & submitted along with the tender.)
33
ABSTRACT OF GENERAL TERMS AND CONDITIONS
1.
Earnest Money Furnished
:
2.
Contractor / Firm’s work experience
including user’s certificate furnished or not.
:
3.
Deviation to the specification, if any
(list enclosed or not).
:
4.
Guaranteed Technical Particulars
:
5.
Delivery / Execution
Date of commencement / Execution
:
6.
Guarantee: Whether agreeable to
NESCO Terms.
:
7.
Whether agreeable to furnish security
deposit in shape of Bank Guarantee in
case his tender is successful.
:
8.
Terms of payment: Whether agreeable
to NESCO standard terms of payment or not.
:
9.
Sub-Contractor / Authorized representative
:
10.
Turnover Certificate furnished
from Chartered Accountant.
:
11.
Valid ITCC & STCC submitted
:
Signature of the Bidder
Name & With Seal of Firm
[This form is to be duly filled up and duly signed by the Bidder & submitted along with the tender.]
34
SCHEDULE FOR PRICE BID (1)
Page 1 of 13
Dear Sir,
We hereby furnish the detailed price of supply, erection & testing of the equipment & materials covered
under the entire scope of Rural electrification Work in ……………. Block of Jajpur District of Orissa
under Biju Gram Jyoti Yojana Scheme of GOO.(All Price in Rs.)
Sl
No
1
Description of work
Unit
Qnty.
Supply, erection & testing of 11KV 3Phase HT Lines with
55sqmm (7/3.15) AAA Conductor equivalent to Rabbit
conductor (span = 68 mtr.), complete work as per REC
standard specification comprising of
i) Supply & erection of PSC Single Pole along with 75mm
padding with concrete, fixing of ‘V’ cross arm, pole top
bracket, back clamp for ‘V’ cross arm, earthing, anti climbing
device with fasteners, danger plate, nuts, bolts & washers,
preformed insulator bindings, cables/ conductors and
required hardware, complete in all respect inscribing in each
pole “BIJU GRAM JYOTI” and the year of electrification in
white paint in the background of deep green paint.
With 8mtr long 200Kg PSC Pole/
9mtr long 300Kg PSC Pole/
11mtr long 330Kg PSC Pole
(whichever is applicable)
ii) Supply & stringing of AAAC 55 sq. mm (7/3.15) conductor
including installation of insulators along with installation of
hardware fittings & conductor accessories, jumpering
arrangement at cut points & stringing of guard wire wherever
required, supply & installation of PG clamp & connector, pin
binding, completion of work in all respect.
iii) Supply & erection of 11KV Stay set complete.
iv) Supply & erection of 11KV, 400 Amp, 3-pole AB switch
with all associated items at the T-off points.
v) Supply & erection of strut pole & pair of Clamps with Nut &
Bolt
vi) Supply & erection of 2no DP structure for 1Km span with
power channel, clamp & DP Cross Bracing & Clamp with
strain insulators, accessories etc.
Km.
1
Unit
Rate
Total
Price
N.B.- Prices should be quoted covering all the materials, erection, testing, commissioning & earthing
under one unit instead of quoting prices for the items separately.
35
SCHEDULE FOR PRICE BID (2)
Page 2 of 13
Sl
No
2
Description of work
Unit
Qnty.
Supply, Erection & Testing of 11KV 3phase HT Lines with
34sqmm (7/2.5) AAA Conductor equivalent to Weasel conductor
(span = 68 mtr.), complete work, comprising of
Km.
1
i)
ii)
iii)
iv)
v)
vi)
Unit
Rate
Total
Price
Supply & erection of PSC Single Pole along with 75mm
padding with concrete, fixing of ‘V’ cross arm, pole top
bracket, back clamp for ‘V’ cross arm, earthing, anti
climbing device with fasteners, danger plate, nuts, bolts
& washers, preformed insulator bindings, cables/
conductors and required hardware, complete in all
respect inscribing in each pole “BIJU GRAM JYOTI”
and the year of electrification in white paint in the
background of deep green paint.
With 8mtr long 200Kg PSC Pole/
9mtr long 300Kg PSC Pole/
11mtr long 330Kg PSC Pole
(whichever is applicable)
Supply & stringing of AAAC 34 sq. mm (7/2.5)
conductor including installation of insulators along with
installation of hardware fittings & conductor
accessories, jumpering arrangement at cut points &
stringing of guard wire wherever required, supply &
installation of PG clamp & connector, pin binding,
completion of work in all respect.
Supply & erection of 11KV Stay set complete.
Supply & erection of 11KV, 400 Amp, 3-pole AB
switch with all associated items at the T-off points.
Supply & erection of strut pole & pair of Clamps with
Nut & Bolt
Supply & erection of 2no DP structure for 1Km span
with power channel, clamp & DP Cross Bracing &
Clamp with strain insulators, accessories etc.
N.B.- Prices should be quoted covering all the materials, erection, testing, commissioning & earthing
under one unit instead of quoting prices for the items separately.
36
SCHEDULE FOR PRICE BID (3)
Page 3 of 13
Sl
No
3
Description of work
Unit
Qnty.
Supply, Erection & Testing of 11KV 2phase HT Lines with
34sqmm (7/2.5) AAA Conductor equivalent to Weasel conductor
(span = 68 mtr.), complete work, comprising of
Km.
1
vii)
viii)
ix)
x)
xi)
xii)
Unit
Rate
Total
Price
Supply & erection of PSC Single Pole along with 75mm
padding with concrete, fixing of ‘V’ cross arm, pole top
bracket, back clamp for ‘V’ cross arm, earthing, anti
climbing device with fasteners, danger plate, nuts, bolts
& washers, preformed insulator bindings, cables/
conductors and required hardware, complete in all
respect inscribing in each pole “BIJU GRAM JYOTI”
and the year of electrification in white paint in the
background of deep green paint.
With 8mtr long 200Kg PSC Pole/
9mtr long 300Kg PSC Pole/
11mtr long 330Kg PSC Pole
(whichever is applicable)
Supply & stringing of AAAC 34 sq. mm (7/2.5)
conductor including installation of insulators along with
installation of hardware fittings & conductor
accessories, jumpering arrangement at cut points &
stringing of guard wire wherever required, supply &
installation of PG clamp & connector, pin binding,
completion of work in all respect.
Supply & erection of 11KV Stay set complete.
Supply & erection of 11KV, 400 Amp, 3-pole AB
switch with all associated items at the T-off points.
Supply & erection of strut pole & pair of Clamps with
Nut & Bolt
Supply & erection of 2no DP structure for 1Km span
with power channel, clamp & DP Cross Bracing &
Clamp with strain insulators, accessories etc.
N.B.- Prices should be quoted covering all the materials, erection, testing, commissioning & earthing
under one unit instead of quoting prices for the items separately.
37
SCHEDULE FOR PRICE BID (4)
Page 4 of 13
Sl
No
4
Description of work
Unit
Qnty.
Km.
1
Unit
Rate
Total
Price
11KV 3 Phase Line Reconductoring with 55sqmm (7/3.15) AAA
Conductor equivalent to Rabbit conductor with supply of all
materials & stringing including dismantle of old conductor and
return to NESCO.
i)
Supply & erection of PSC Single Pole, fixing of V-cross
arm/Straight cross arm , Pin & Disc insulators with
Hardware fittings, fixing of Anti climbing device, Danger
Plate, Coil earthing, Top cleat with back clamp & nut, Stay
set complete as per specification
wherever required
inscribing in each pole “BIJU GRAM JYOTI” and the year
of electrification in white paint in the background of deep
green paint
ii) Supply of AAAC 55 sq.mm (7/3.15)conductor alongwith
stringing of conductor, pin binding, jumpering at cut points
with PG clamps and connectors, replacement of damaged
insulators, V-cross arms wherever required including
dismantle of old conductor and return to concerned section.
N.B.- Prices should be quoted covering all the materials, erection, testing, commissioning & earthing
under one unit instead of quoting prices for the items separately.
38
SCHEDULE FOR PRICE BID (5)
Page 5 of 13
Sl No
Description of work
Unit
Qnty.
5
Construction of 10 KVA, 11/0.23KV, 1-Phase Distribution
Sub-station complete comprising :i) Supply& erection 9mtr. 300 kg PSC Single Pole structure
along with pole concreting, padding & couping
0.45x0.35x1.8 transformer mounting bracket, Channel and
angle for supporting DO Fuse unit, Channel for
supporting AB Switch, anti climbing device with
fasteners, danger plate, nuts, bolts & washers, preformed
insulator binding and required hardware, 3 nos. of
earthing arrangement with electrodes, cable for
connection of transformer to LTDB,GI pipe & clamps for
routing of cable & all other sundry items complete as per
specification inscribing in each pole and transformer
“BIJU GRAM JYOTI” and the year of electrification in
white paint in the background of deep green paint
With MS guy set (20x1800mm) and stay clamp
pair, N&B, 11KV Stay Insulator, turn buckle, strut
pole & pair of clamp, N&B
No.
1
Unit
Rate
Total
Price
ii) Supply& erection of 10KVA, 11/0.23KV, 1-Phase
Distribution Transformer with all accessories such as 11
KV 2-pole AB switch, DO Fuse Unit, LA & LT
Distribution box and energy meter, complete as per
specification
N.B.- Prices should be quoted covering all the materials, erection, testing, commissioning & earthing
under one unit instead of quoting prices for the items separately.
39
SCHEDULE FOR PRICE BID (6)
Page 6 of 13
Sl
No
6
Description of work
Unit
Qnty.
Construction of 16 KVA, 11/0.23KV, 1-Phase
Distribution Sub-station complete comprising :-
No.
1
Unit Rate
Total Price
1. 9 mtr. 300 kg PSC Pole structure along with
transformer mounting bracket, Channel and angle
for supporting 11 KV 2-pole AB Switch, HG Fuse
unit, Channel for supporting insulators, anti
climbing device with fasteners, danger plate, nuts
bolts & washers, preformed insulator binding, and
required hardware, 3 nos. of earthing arrangement
with electrodes, cable for connection of
transformer to LTDB,GI pipe & clamps for routing
of cable & all other sundry items complete as per
specification inscribing in each pole and
transformer “BIJU GRAM JYOTI” and the year of
electrification in white paint in the background of
deep green paint
With MS guy set (20x1800mm) and stay clamp
pair, N&B, 11KV Stay Insulator, turn buckle/
strut pole & pair of clamp, N&B
2. Supply & erection of 16 KVA, 11/0.23KV, 1Phase Distribution Transformer with all
accessories such as 11KV, 2-pole AB Switch,
11KV HG Fuse unit with insulators & LA and LT
Distribution box and energy meter complete as per
specification.
N.B.- Prices should be quoted covering all the materials, erection, testing, commissioning & earthing
under one unit instead of quoting prices for the items separately.
40
SCHEDULE FOR PRICE BID (7)
Page 7 of 13
Sl
No
7
Description of work
Construction of 25 KVA, 11/0.433KV, 3-Phase Distribution
Sub-station complete comprising :-
Unit
Qnty.
No.
1
Unit Rate
Total
Price
1. 9mtr. 300 kg PSC Double Pole structure along with Channel
for supporting transformer, Channel and angle for supporting
AB Switch, HG Fuse unit, Channel for supporting insulators,
anti climbing device with fastners, belting and belting support
for transformer, danger plate, nuts, bolts & washers, preformed
insulator binding, and required hardware, 5 nos. of earthing
arrangement with electrodes,
cable for connection of transformer to LTDB,GI pipe & lamps
for routing of cable & all other sundry items complete as per
specification inscribing in each pole and transformer “BIJU
GRAM JYOTI” and the year of electrification in white paint in
the background of deep green paint
With MS guy set (20x1800mm) and stay clamp pair, N&B,
11KV Stay Insulator, turn buckle/ strut pole & pair of clamp,
N&B
2. Supply & erection of 25 KVA, 11/0.433KV, 3-Phase
Distribution Transformer with all accessories such as 11KV, 3pole AB Switch, 11KV HG fuse set & LA, LT Distribution box
and energy meter complete as per specification
N.B.- Prices should be quoted covering all the materials, erection, testing, commissioning & earthing
under one unit instead of quoting prices for the items separately.
41
SCHEDULE FOR PRICE BID (8)
Page 8 of 13
Sl
No
8
Description of work
Construction of 63 KVA, 11/0.433KV, 3-Phase Distribution
Sub-station complete comprising :-
Unit
Qnty.
No.
1
Unit Rate
Total
Price
1. 9mtr. 300 kg PSC Double Pole structure along with Channel
for supporting transformer, Channel and angle for supporting
AB Switch, HG Fuse unit, Channel for supporting insulators,
anti climbing device with fastners, belting and belting support
for transformer, danger plate, nuts, bolts & washers, preformed
insulator binding, and required hardware, 5 nos. of earthing
arrangement with electrodes,
cable for connection of transformer to LTDB,GI pipe & lamps
for routing of cable & all other sundry items complete as per
specification inscribing in each pole and transformer “BIJU
GRAM JYOTI” and the year of electrification in white paint in
the background of deep green paint
With MS guy set (20x1800mm) and stay clamp pair, N&B,
11KV Stay Insulator, turn buckle/ strut pole & pair of clamp,
N&B
2. Supply & erection of 25 KVA, 11/0.433KV, 3-Phase
Distribution Transformer with all accessories such as 11KV, 3pole AB Switch, 11KV HG fuse set & LA, LT Distribution box
and energy meter complete as per specification
N.B.- Prices should be quoted covering all the materials, erection, testing, commissioning & earthing
under one unit instead of quoting prices for the items separately.
42
SCHEDULE FOR PRICE BID (9)
Page 9 of 13
Sl
No
9
Description of work
Unit
Qnty.
Construction of Single Phase ABC LT OH Lines (Span =
40m), complete work as per specification comprising :-
Km.
1
Unit Rate
Total
Price
1. Supply & erection of 8 mtr 200KG PSC Pole along
with pole concreting, earthing arrangement, eye
hook, suspension / dead end clamp including
belting of clamps, etc. complete as required for
supporting LT XLPE insulated AB conductor,
anti climbing device with fastners, danger plate,
nuts, bolts & washers and required hardware, LT
Stay set complete/Strut complete as per
specification inscribing in each pole “BIJU GRAM
JYOTI” and the year of electrification in white
paint in the background of deep green paint.
2. Supply & stringing of XLPE Insulated 1-phase
ABC (1X35+1x16+1x25) sq.mm as per
specification.
N.B.- Prices should be quoted covering all the materials, erection, testing, commissioning & earthing
under one unit instead of quoting prices for the items separately.
43
SCHEDULE FOR PRICE BID (10)
Page 10 of 13
Sl
No
10
Description of work
Unit
Qnty.
Construction of 3-Phase XLPE insulated ABC LT OH
Lines (Span = 40m), complete work, as per
specification comprising :-
Km.
1
Unit Rate
Total Price
1. Supply & erection of 8 mtr 200KG PSC Pole
along with earthing arrangement, cross arm
insulator, fittings, hardware & accessories etc.
complete as required for supporting
conductor, anti climbing device, danger plate,
nuts, bolts & washers and required hardware
& LT stay set complete in all respect
inscribing in each pole “BIJU GRAM JYOTI”
and the year of electrification in white paint in
the background of deep green paint.
2. Supply & stringing of XLPE Insulated, 3Phase ABC (3X35+1x16+1X25)sq.mm
as
per specification.
N.B.- Prices should be quoted covering all the materials, erection, testing, commissioning & earthing
under one unit instead of quoting prices for the items separately.
44
SCHEDULE FOR PRICE BID (11)
Page 11 of 13
Sl No
Description of work
Unit
Qnty.
11
Installation of Service Connections complete work for
BPL consumer as specified below
No.
1
Unit Rate
Total
Price
1.
2.
Supply & fixing of 2-Core 2.5 sq mm PVC cable
for service connection
2.
Supply & fixing of NESCO approved
Electronic type Energy Meter
3. Supply & fixing of Piercing type Connector for
ABC Cable Universal Distribution Connector for
bare conductor of ABC.
4. Supply & fixing of Meter Board with 16 amp DP
main switch with earthing terminal, Coil
earthing, Wooden distribution board with two
nos. of flush type 5 A Switch, two nos. of holders
with one no. 18W & one no. 11W CFL Lamp,
house wiring & electrification of BPL houses
including all other sundry items such as GI Pipe
& bends with clamps, PVC Conduit, 10SWG GI
Wire & reel insulator & all other sundry items
etc., complete works as per specification.
N.B.- Prices should be quoted covering all the materials, erection, testing, commissioning & earthing
under one unit instead of quoting prices for the items separately.
45
SCHEDULE FOR PRICE BID (12)
Page 12 of 13
Sl No
Description of work
12
Energisation of pump sets for small/marginal farmers
under BGJY for 2009-10
1.
2.
5.
3.
6.
4.
Supply & fixing of TP Box with NESCO
approved electronic type single phase two wire
(10 – 20 A) energy meter.
Supply & fixing of TP Box with NESCO
approved electronic type 3 phase 4 wire (20 – 30
A) energy meter.
Supply & fixing of 2-C 2.5 sq mm PVC cable
for service connection of permissible limit of 30
meter including all the accessories materials.
Such as GI pipe and supporting GI wire of
permissible SWG.
Supply & fixing of 4-C 6 sq mm PVC cable for
service connection of permissible limit of 30
metre including all the accessories materials.
Such as GI pipe and supporting GI wire of
permissible SWG.
Unit
Qnty.
No.
1
No.
1
Mtr.
1
Mtr.
1
Unit Rate
Total
Price
N.B.- Prices should be quoted for each item separately.
Rates quoted for 11KV 3 Phase/2 Phase line, 11/0.23KV, 10KVA/16KVA S/S, 11/0.433KV,
25KVA S/S, 3 Phase 4-W LT line with AB Cables/1 Phase 2-W LT line with AB Cables will be
considered for energisation of pump sets.
46
SCHEDULE FOR PRICE BID (13)
Page 13 of 13
Sl No
13
Description of work
Unit
Qnty.
a) Existing 10KVA to be upgrated to 16KVA
No.
1
b) Existing 16KVA to be upgraded to 25KVA
No.
1
c) Existing 25KVA to be upgraded to 63KVA
No.
1
d) Existing 63KVA to be upgraded to 100KVA
No.
1
Unit Rate
Total
Price
Upgradation of distribution transformer covering
supply of new transformer including cost of insurance
& erection, jumpering, clamping, sucketing & return
of the old one to the concerned central store, Jajpur.
N.B.- Prices should be quoted for each items separately.
47
PROFORMA OF BANK GUARANTEE FOR EARNEST MONEY DEPOSIT
Bank Guarantee No………………….
Date…………….
1.
2.
3.
4.
5.
6.
7.
In accordance with invitation to Bid No………………….. Dated……………… of Collector & District Magistrate
Jajpur (herein after referred to as Collector) for the purpose of ………………….. M/s……………………………….
Address…………………………………………………..
……………………………………………………………………………………………………… wish / wishes to
participate in the said tender and as the Bank Guarantee for the sum of Rs…………………….
(Rupees………………………………………………….. only) valid for a period of ……………….. days (in words)
is required to be submitted by the tenderer. We the …………………………….. Bank (herein after referred to as the
bank) at the request of M/s………………………………….. hereby unequivocally and unconditionally guarantee and
undertake to pay during the above said period or written request by the Collector, an amount not exceeding
Rs…………. (Rupees………………………………………………. only) to Collector without any reservation. The
guarantee will remain valid up to 4.00PM of date…………….. (date) and if any further extension is required the
same will be extended on receiving instruction from M/s……………………………………………. on whose behalf
this guarantee has been issued.
We, the …………………….. Bank do hereby undertake to pay the amounts, due and payable under the guarantee
without any demur, merely on a demand from the Collector stating that the amount claimed is due by war of loss or
damage caused to or suffered by Collector by reason of any breach by the said contractor(s) of any of the terms or
conditions contained in the said agreement or by the reason of any breach by the said contractors failure to perform
the said Bid. Any such demand made on the Bank shall be conclusive as regards the amount due and payable by the
Bank under this guarantee. However, our liability under this guarantee shall be restricted to an amount not exceeding
Rs. …………………. (in words).
We undertake to pay to the Collector any money so demanded not withstanding any dispute or dispute raised by the
contractor(s) / Supplier(s) in any suit or proceeding instituted / pending before any Court or Tribunal relating thereto
our liability under this agreement being absolute and univocal. The payment made under this bond shall be a valid
discharge of our liability for payment there under and the contractor(s) / supplier(s) shall have no claim against us for
making such payment.
We, the …………………………. Bank our local Branch at Dhenkanal (detail address & Code No. of local branch to
be specified) further agree that the guarantee herein contain shall remain in full force and effect during eh period 240
days (two hundred and forty days) and it shall continue to do so enforceable till all the dues of the Collector under by
the virtue of the said Bid have been fully paid and its claims satisfied or discharged or till Collector certifies that the
terms and conditions of the said Bid have been fully and properly carried out by the said contractor(s) and
accordingly discharge this guarantee. Unless a demand or claim under this guarantee is made on us in writing on or
before the ………………………………………… we shall be discharged from all liabilities under this guarantee
thereafter.
We, the ………………………………. Bank our local Branch at Jajpur further agree that Collector shall have the
fullest liberty without our consent and without affecting any manner our obligations hereunder to very and of terms
and conditions of the said Bid or to extend time of performance by the said contractor(s) from time to time to
postpone for any time or from time to time any of the powers exercisable by Collector against the said contractor(s)
and to forebear or enforce any of terms and conditions relating to the said Bid and we shall not be relived from our
liability by reason of any such variation postponement or extension being granted by the contractor(s) or for any
forbearance act of omission on part of Collector to the said contractor(s) or by any such matter or thing whatsoever
which under the law relating to sureties should but for this provisions have effect of so relieving us.
The guarantee will not discharged due to change in the name, style and constitution of the Bank and contractor(s).
We, the …………………………… Bank our local Branch at Jajpur lastly undertake not to revoke this guarantee
during its currency except with the previous consent of Collector in writing.
Dated…………………………………Day of ……………………..200………………….
Witness :1………………………………………………..
2…………………………………………………
For ……………………………………………………………
(indicating name of the Bank with seal)
48
PROFORMA OF BANK GUARANTEE FOR PERFORMANCE GUARANTEE
(To be stamped in accordance with Stamp Act.)
Bank Guarantee No………………….
Date…………….
This Guarantee Bond is executed this ………………. Day ………………… 200 by us the
…………………………………………………
Bank
at
…………………………
P.O……………………………….
P.S…………………………………
Dist…………………………..
State………………………………….
Whereas the Collector & District Magistrate, Jajpur (hereinafter called “Collector”) has placed Order
No………………………. Dt………………………… (herein after called “the Agreement”) with
M/s………………………………………………………….. (herein after called “Contractor”) for Electrification of
villages / hamlets under Biju Gram Jyoti Scheme on Turnkey basis and whereas Collector has agreed to exempt
from depositing of performance guarantee amount on furnishing by the Contractor to the Collector a Bank
Guarantee of the value of 10% (Ten percent) of the Contract price valid for 18 months from the date of completion
of work of the said Agreement.
1. Now, therefore, in consideration of the Collector having agreed to exempt from deposit of performance
guarantee amount in terms of the said Agreement as aforesaid, we the ………………………………Bank,
Address…………………………………………….…………………… (code No. ……………………..)
(herein after referred to as “the Bank”) do hereby undertake to pay to the Collector an amount not
exceeding
Rs…………………..……………….
(Rupees…………………………………….……………………… ………………………………) only
against any loss or damage caused to or suffered by the Collector by reason of any breach by the said
Contractor(s) of any of the terms or conditions contained in the said Agreement.
2. We, the …………………………………………. Bank do hereby undertake to pay the amounts due and
payable under the guarantee without any demur, merely on a demand from the Collector stating that the
amount calmed is due by way of loss or damage caused to or suffered by Collector by reason of any breach
by the said Contractor (s) of any of the terms or conditions contained in the said Agreement or by the
reason of any breach by the said Contractor’s failure to perform the said Agreement. Any such demand
made on the Bank shall be conclusive as regards the amount due and payable by the Bank under this
Guarantee. However, our liability under this guarantee shall be restricted to an amount not exceeding
Rs……………………………….…
(Rupees…………………………………………………………………………….. … …… ……………..)
only.
3. We, the …………………………………………………. Bank also undertake to pay to the Collector any
money so demanded not withstanding any dispute or dispute raised by the Contractor (s) in any suit or
proceeding instituted / pending before any court or Tribunal relating thereto our liability under this
Agreement being absolute and unrecoverable.
The payment so made by us under this bond shall be valid discharge of our liability for payment
there under and the Contractor(s) shall have no claim against us for making such payment.
4. We, the …………………………………………………….. Bank further agree that the guarantee herein
contain shall remain in full force and affect during the period that would be taken for the performance of
this said Agreement and it shall continue to remain in force endorsable till all the dues of the Collector
under by virtue of the said Agreement have been fully paid and its claim satisfied or discharged or till
Collector certifies that the terms and conditions of the said Agreement have been fully and properly carried
out by the said Contractor(s) and accordingly discharge this guarantee and will not be revoked by us during
the validity of the guarantee period.
Unless a demand or claim under this guarantee is made on us or with
…………………………………………………………. (Local Bank Name, Address and code
No.)…………………………………………………………………………, Jajpur in writing on or before
……………………………………. (date) we shall be discharged from all liability under this guarantee
thereafter.
49
5. We, the ……………………………………………………………..Bank further agree that the Collector
shall have the fullest liberty without our consent and without affecting in any manner our obligations
hereunder to vary any of the terms and conditions of the said Agreement or to extend time of performance
by the said Contractor(s) and we shall not be relieved from our liability by reason of any such variation or
extension being granted to the said contractor or for any forbearance act or omission on part of the
Collector or any indulgence by the Collector to the said Contractor(s) or by any such matter or thing
whatsoever which under the law relating to sureties would but for this provisions have effect of so
relieving us.
6. The Guarantee will not be discharged due to change in the name, style and constitution of the Bank and or
Contractor(s).
7. We, the …………………………………………………………… Bank lastly undertake not to revoke this
Guarantee during its currency except with the previous consent of the Collector in writing.
Dated……………………………. The ………………………. Days of Two thousand ……………………
Not withstanding anything contained herein above.
i)
Our liability under this Bank Guarantee shall not exceed Rs. ………………………………
(Rupees……………………………………………………………………………….) only.
ii)
The Bank Guarantee shall be valid up to …………………………………only.
iii) We or our Bank at …………………………………..(Name & Address of the Local Bank,
Dhenkanal) are liable to pay the guaranteed amount depending on the filling of claim and any part
thereof under this Bank Guarantee only if you serve upon us or our local Bank at
……………………, a written claim or demand and received by us or by Local Branch at
………………………… on or before, Dt…………………………… otherwise bank shall be
discharged of all liabilities under this guarantee thereafter.
For……………………………………………………………….
(indicate the name of the Bank)
N.B.:1) Name of the Contractor:
2) No. & date of the purchaser order / agreement:
3) Name of the Bank:
4) Amount of the Bank Guarantee:
5) Name, Address and Code No. of the Local Branch:
6) Validity period or date upto which the agreement is valid:
7) Signature of the Constituent Authority of the Bank with seal:
8) Name & address of the Witnesses with signature:
9) The Bank Guarantee shall be accepted only after getting confirmation from the respective Bank
50
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